Valtra T144 Operator's Manual page 318

4. Maintenance
GUID-D45D4E7E-1B4F-4D1F-8938-A5C9F6A2AE88
1. Water detector
2. Fuel prefilter
1. Clean the filter and its surroundings.
2. Disconnect the water detector wire.
3. Place a suitable container under the filter.
IMPORTANT: Do not drain fuel onto the ground!
4. Remove the filter.
IMPORTANT: Unscrew the filter by hand, do not use a filter wrench.
5. Move the water detector from the old filter to the new filter.
6. Lubricate the O-rings with fuel.
7. Fill the new filter with fuel.
Pour the fuel into the filter outer shell.
8. Attach the filter.
9. Connect the water detector wire.
Bleed the fuel system.
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